*{
    margin: 0;
    padding: 0;
}
#main{
    width: 100vw;
    height: 100vh;
    display: flex;
    flex-flow: column wrap;
    justify-content: center;
    align-items: center;
    background-color: antiquewhite;
}
.rowDiv{
    width: max-content;
    height: max-content;
    border: 1px greenyellow solid;
    display: flex;
    flex-flow: row nowrap;
}